Home / 520,187,583.63-779,735,169.76-175,021,378.05

Finding the Fourth Proportional to 520,187,583.63, 779,735,169.76 and 175,021,378.05

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Solution

The fourth proportional to 520,187,583.63, 779,735,169.76 and 175,021,378.05 is: 262,348,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,187,583.63 : 779,735,169.76 = 175,021,378.05 : x
  2. Step 2: Convert to fraction form
    520,187,583.63/779,735,169.76 = 175,021,378.05/x
  3. Step 3: Cross multiply
    520,187,583.63x = 779,735,169.76 × 175,021,378.05
  4. Step 4: Simplify right side
    520,187,583.63x = 136,470,323,925,445,888
  5. Step 5: Solve for x
    x = 136,470,323,925,445,888/520,187,583.63
  6. Step 6: Final answer
    x = 262,348,291.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.